Finding the Fourth Proportional to 49,294,509.99, 73,948,490.71 and 20,533,919.57
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Solution
The fourth proportional to 49,294,509.99, 73,948,490.71 and 20,533,919.57 is: 30,803,681.00
Step by Step Solution
- Step 1: Write the proportion equation
49,294,509.99 : 73,948,490.71 = 20,533,919.57 : x - Step 2: Convert to fraction form
49,294,509.99/73,948,490.71 = 20,533,919.57/x - Step 3: Cross multiply
49,294,509.99x = 73,948,490.71 × 20,533,919.57 - Step 4: Simplify right side
49,294,509.99x = 1,518,452,360,562,032 - Step 5: Solve for x
x = 1,518,452,360,562,032/49,294,509.99 - Step 6: Final answer
x = 30,803,681.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.